AT28HC64BF-70SU

Product Overview

Category

AT28HC64BF-70SU belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28HC64BF-70SU has a storage capacity of 64 kilobits.
• High-speed operation: It operates at a speed of 70 nanoseconds.
• Serial access: Data can be accessed sequentially using a serial interface.

Package

The AT28HC64BF-70SU is available in a small outline SOIC package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices.

Packaging/Quantity

The AT28HC64BF-70SU is typically packaged in reels, with each reel containing a specific quantity of chips.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Access Time: 70 nanoseconds
• Operating Voltage: 2.7V - 5.5V
• Interface: Serial
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28HC64BF-70SU has a total of 8 pins, which are as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Serial Data Input (SI)
5. Serial Data Output (SO)
6. Serial Clock (SCK)
7. Vcc (Power Supply)
8. Ground (GND)

Functional Features

• Random access: Allows direct access to any location within the memory.
• Low power consumption: Operates at low power levels, making it suitable for battery-powered devices.
• High reliability: The non-volatile nature of the memory ensures data integrity even during power loss or system failure.
• Easy integration: Can be easily integrated into various electronic systems due to its compact size and serial interface.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention.
• High-speed operation allows for quick access to stored information.
• Small package size enables space-efficient designs.
• Serial interface simplifies integration into electronic systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Serial access may result in slower data transfer rates compared to parallel access.

Working Principles

The AT28HC64BF-70SU utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve digital information. When powered on, the chip enables read and write operations through the control pins. Data is stored in the memory cells using electrical charges, which are retained even when power is removed. The serial interface allows for sequential access to the stored data.

Detailed Application Field Plans

The AT28HC64BF-70SU finds applications in various electronic devices that require non-volatile storage, such as: - Microcontrollers - Embedded systems - Industrial automation equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C64B-15SU: Similar to AT28HC64BF-70SU but operates at a slower speed (150 nanoseconds).
2. AT28HC256-90SU: Offers higher storage capacity (256 kilobits) but operates at a slower speed (90 nanoseconds).
3. AT28HC16B-70SU: Provides lower storage capacity (16 kilobits) but operates at the same speed (70 nanoseconds).

These alternative models offer different combinations of storage capacity, speed, and functionality to cater to specific application requirements.

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